scPDB - 1b8n entry

Protein Data Bank Entry:

PDB ID : 1b8n

Resolution :2.000 Å

Experimental Method : X-ray

Deposition Date : 1999-02-02

Activity from ChEMBL: What is pChEMBL ?

	Min	Mean	Median	Standard Deviation	Max	Count
pChEMBL:	10.520	10.520	10.520	0.000	10.520	1

List of CHEMBLId :

CHEMBL473922

Binding Site :

Uniprot Annotation

Name:	Purine nucleoside phosphorylase
ID:	PNPH_BOVIN
AC:	P55859
Organism:	Bos taurus
Reign:	Eukaryota
TaxID:	9913
EC Number:	2.4.2.1

Chains:

Chain Name:	Percentage of Residues within binding site
A	100 %

Ligand binding site composition:

B-Factor:	18.211
Number of residues:	35
Including
Standard Amino Acids:	34
Non Standard Amino Acids:	0
Water Molecules:	1
Cofactors:
Metals:

Cavity properties

Ligandability	Volume (Å3)
0.570	330.750

% Hydrophobic	% Polar
43.88	56.12
According to VolSite

Ligand :

HET Code:	IMG
Formula:	C11H16N5O4
Molecular weight:	282.276 g/mol
DrugBank ID:	DB02230
Buried Surface Area:	79.93 %
Polar Surface area:	160.57 Å2

Number of
H-Bond Acceptors:	6
H-Bond Donors:	7
Rings:	3
Aromatic rings:	1
Anionic atoms:	0
Cationic atoms:	1
Rule of Five Violation:	1
Rotatable Bonds:	2

Mass center Coordinates

X	Y	Z
-65.394	91.1769	94.1369

Binding mode :

What is Poseview ?

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Image generated by PoseView

Protein

Binding Site

Ligand

Interaction pattern

hydrophobic (CA)

aromatic (CZ)

hydrogen bond acceptor (O)

hydrogen bond acceptor/donor (OG)

hydrogen bond donor (N)

positively ionized (NZ)

negatively ionized (OD1)

metal (ZN)

Legend:

Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand

Image generated using PoseView by BioSolveIT

Ligand	Protein		Interaction
Atom	Atom	Residue	Distance (Å)	Angle (°)	Type
C3'	CE2	TYR- 88	4.05	0	Hydrophobic	false
O3'	OH	TYR- 88	2.85	161.77	H-Bond (Protein Donor)	false
C5'	CZ	PHE- 200	3.7	0	Hydrophobic	false
N1	OE1	GLU- 201	2.83	172.99	H-Bond (Ligand Donor)	false
N2	OE2	GLU- 201	2.86	150.73	H-Bond (Ligand Donor)	false
C3'	SD	MET- 219	3.78	0	Hydrophobic	false
C2'	CG	MET- 219	3.77	0	Hydrophobic	false
O2'	N	MET- 219	2.74	148.68	H-Bond (Protein Donor)	false
N7	OD1	ASN- 243	2.91	166.85	H-Bond (Ligand Donor)	false
O6	ND2	ASN- 243	2.96	164.5	H-Bond (Protein Donor)	false
O5'	ND1	HIS- 257	2.56	157.79	H-Bond (Ligand Donor)	false